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Sensors and Materials, Volume 33, Number 5(2) (2021)
Copyright(C) MYU K.K.
pp. 1589-1602
S&M2557 Research Paper of Special Issue
Published: May 12, 2021

Multifunctional Bicycle Helmet Using Internet of Things Technology [PDF]

Pu-Sheng Tsai, Nien-Tsu Hu, Ter-Feng Wu, Jen-Yang Chen, and Tzu-Hung Chao

(Received October 21, 2020; Accepted March 15, 2021)

Keywords: bicycle safety helmet, Internet of Things, mobile app, GPS positioning

This paper presents a bicycle safety helmet with a variety of novel functions based on Internet of Things (IoT) technologies: (1) LED direction indicators triggered by a three-axis accelerometer to sense the rider tilting his/her head in the desired direction; (2) LED light bars circling the helmet triggered by a photodetector to provide illumination or to act as a flashing safety beacon; (3) a keypad based on ceramic pressure sensors to input the password for the bicycle lock with Bluetooth for transmission; (4) ultrasonic sensors to detect vehicles approaching from the rear with a mechanism to alert the rider; (5) wireless connectivity to transmit GPS positioning information, including UTC time, longitude and latitude, altitude, horizontal dilution of precision (HDOP), and the number of connected satellites to a cloud server. We also created a software package accessible via a web server or mobile app to query the current location and route.

Corresponding author: Pu-Sheng Tsai

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Cite this article
Pu-Sheng Tsai, Nien-Tsu Hu, Ter-Feng Wu, Jen-Yang Chen, and Tzu-Hung Chao, Multifunctional Bicycle Helmet Using Internet of Things Technology, Sens. Mater., Vol. 33, No. 5, 2021, p. 1589-1602.

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